Which layer of the atmosphere correctly matches its description? The troposphere is the thickest layer.
The mesosphere contains the warmest region of Earth's atmosphere.
The thermosphere is the coldest layer of the atmosphere as it is far away from Earth.
The stratosphere contains the ozone which absorbs ultraviolet radiation in the atmosphere.

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.